Makasitomala ochokera kunja adati ali ndi vuto ndi Sprial Drill Rod yomwe ikugwiritsa ntchito pano.Bowo lake ndi lalikulu kuposa kagawo.
Gimarpol's mainjiniya adaphunzira nkhaniyi, ndikupanga mtundu watsopano wa Spiral Drill Rod kwa kasitomala.Ndipo kuthetsa vutoli mu nthawi.
Mwachita ntchito yabwino, Gimarpol'injiniya!Zikomo!!!
Nthawi yotumiza: Jul-19-2021